Feb 23, 2016 · At sea level and standard air pressure, we have to heat water to 212 degrees Fahrenheit (or 100 degrees Celsius) before it boils. Head up to Denver, Colorado – Inside Energy’s headquarters, at 5,280 ft above sea level – and we can boil water at 203F (or 95C). On top of Mt. Everest, 29,029 ft above sea level, the boiling point drops to a